20157144112

素因数分解:

$2^4\times 7^4\times {\mathrm{524707}}^1$

素因数の和:524743

約数の個数: 50

約数和(自身を含む): 45560920348

約数和(自身を除く): 25403776236

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2401, 2744, 4802, 5488, 9604, 19208, 38416, 524707, 1049414, 2098828, 3672949, 4197656, 7345898, 8395312, 14691796, 25710643, 29383592, 51421286, 58767184, 102842572, 179974501, 205685144, 359949002, 411370288, 719898004, 1259821507, 1439796008, 2519643014, 2879592016, 5039286028, 10078572056, 20157144112]

約数ペア:

[(1, 20157144112), (2, 10078572056), (4, 5039286028), (7, 2879592016), (8, 2519643014), (14, 1439796008), (16, 1259821507), (28, 719898004), (49, 411370288), (56, 359949002), (98, 205685144), (112, 179974501), (196, 102842572), (343, 58767184), (392, 51421286), (686, 29383592), (784, 25710643), (1372, 14691796), (2401, 8395312), (2744, 7345898), (4802, 4197656), (5488, 3672949), (9604, 2098828), (19208, 1049414), (38416, 524707)]